Notes about Operation38LED Lamp DisplayPOWERACTIVE DIAG ALARMLED Status Reason Probable CausesPOWER ON Power ONOFF Power OFFALARM ON WarningOccurrence- A measurement has exceeded one ofthe set limits.- The contact input is ON.- There is trouble in the Remote Unit(battery level is low, a sensorconnection is poor), etc…OFF NormalDIAG(Diagnosis)ON In DiagnosisOFF NormalBLINKING Error- Clock settings were not carried out orafter a power outage the clocksettings have been cleared.- The Remote Unit has not beenregistered."DIAG" and"ACTIVE"both BLINKINGError- A network failure has occurred. (An IPaddress cannot be retrieved from theDHCP Server or other such error.)ACTIVEON NormalOFF Error- The LAN cable is disconnected.- The RTR-500AW cannot communicatewith its access point.BLINKING Communicationin progress- Wireless Communication or LANCommunication is in progress.